export  function setupWebViewJavascriptBridge(callback) {
    if (window.WebViewJavascriptBridge) {
        return callback(WebViewJavascriptBridge); }
    if (window.WVJBCallbacks) {
        return window.WVJBCallbacks.push(callback); }
    window.WVJBCallbacks = [callback];
    var WVJBIframe = document.createElement('iframe');
    WVJBIframe.style.display = 'none';
    WVJBIframe.src = 'wvjbscheme://__BRIDGE_LOADED__';
    document.documentElement.appendChild(WVJBIframe);
    setTimeout(function() { document.documentElement.removeChild(WVJBIframe) }, 0)
}